A federal judge rejected arguments that the actions were 'a new form of protest.'

A federal judge in Manhattan rejected arguments that the actions of a hacker who admitted to a series of computer breaches were "a new form of protest" and handed down a stiff 10-year sentence Friday.

Jeremy Hammond, who used the online moniker "Anarchaos" pleaded guilty in May to conspiracy to engage in computer hacking, as he admitted to breaking into computer systems used by intelligence firm Stratfor in 2011...